13431063243015 has 24 divisors (see below), whose sum is σ = 25396919587728. Its totient is φ = 6512030663040.

The previous prime is 13431063242977. The next prime is 13431063243023. The reversal of 13431063243015 is 51034236013431.

13431063243015 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 1 + 0 + 632 + 4 + 3 + 0 + 15 = 666.

It is not a de Polignac number, because 13431063243015 - 2⁹ = 13431063242503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13566730054 + ... + 13566731043.

It is an arithmetic number, because the mean of its divisors is an integer number (1058204982822).

Almost surely, 2^{13431063243015} is an apocalyptic number.

13431063243015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13431063243015 is a deficient number, since it is larger than the sum of its proper divisors (11965856344713).

13431063243015 is a wasteful number, since it uses less digits than its factorization.

13431063243015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27133461119 (or 27133461116 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 13431063243015 its reverse (51034236013431), we get a palindrome (64465299256446).

The spelling of 13431063243015 in words is "thirteen trillion, four hundred thirty-one billion, sixty-three million, two hundred forty-three thousand, fifteen".